See code snippet here,

https://stackoverflow.com/questions/42013794/svg-water-fill-animation

 To achieve this, you'll likely need to use animation techniques in your code or design software. Here's a basic approach:

1. Identify the Water Filling Element: First, identify the element (e.g., a container or image) representing the water filling option in your screen.

2. Add Animation: Use CSS or JavaScript to add animation effects. For CSS, you can use keyframes to create a smooth animation. For JavaScript, you can use libraries like GSAP or jQuery to animate the element.

3. Animate Increase/Decrease: Based on the increase or decrease action, trigger the animation to show the water level rising or falling accordingly.

Here's a simple example using CSS keyframes for a water filling animation:

cssCopy code@keyframes fillWater {  from { height: 0%; }  to { height: 100%; }}.water-container {  width: 100px;  height: 100px;  border: 1px solid blue;  position: relative;  overflow: hidden;}.water {  width: 100%;  position: absolute;  bottom: 0;  left: 0;  background-color: blue;  animation: fillWater 2s forwards;}

In this example, clicking a button to increase the water level would involve adding or removing a CSS class that triggers the fillWater animation. Adjust the duration and other properties to fit your needs.

To add animation to the water filling option while increasing or decreasing, you can use CSS animations. Here's a simple example using keyframes to create a filling effect:

cssCopy code@keyframes fillWater {  0% { height: 0; }  100% { height: 100%; }}.water {  /* Your water container styles */  position: relative;  width: 100px;  height: 100px;  overflow: hidden;  border: 1px solid #ccc;}.water-level {  /* Your water level styles */  position: absolute;  bottom: 0;  left: 0;  width: 100%;  background-color: blue;  animation: fillWater 1s forwards;}

In this example, the fillWater animation gradually increases the height of the .water-level element from 0% to 100%. You can adjust the animation duration (1s in this case) and other properties as needed.

Make sure to apply the fillWater animation to the .water-level element when the water level changes in your code. For example, if you're using JavaScript to change the water level, you can add a class to trigger the animation:

javascriptCopy code// Example JavaScript code to change water levelfunction increaseWaterLevel() {  // Increase water level logic  document.querySelector('.water-level').classList.add('filling');}function decreaseWaterLevel() {  // Decrease water level logic  document.querySelector('.water-level').classList.add('emptying');}

And update your CSS to apply the animation when the classes are added:

cssCopy code.water-level.filling {  animation: fillWater 1s forwards;}.water-level.emptying {  animation: emptyWater 1s forwards;}

Adjust the JavaScript functions and CSS classes based on your specific implementation and requirements.